Cisco IOS Group Encrypted Transport VPN Group Domain of Interpretation access control

CVSS Meta Temp Score
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CTI Interest Score
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6.5$5k-$25k0.00

Summaryinfo

A vulnerability was found in Cisco IOS. It has been rated as critical. This affects the function Group Domain of Interpretation of the component Group Encrypted Transport VPN. This manipulation causes access control. This vulnerability appears as CVE-2013-3436. There is no available exploit.

Detailsinfo

A vulnerability was found in Cisco IOS (Router Operating System) (version unknown). It has been declared as critical. Affected by this vulnerability is the function Group Domain of Interpretation of the component Group Encrypted Transport VPN. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, and integrity. The summary by CVE is:

The default configuration of the Group Encrypted Transport VPN (GET VPN) feature on Cisco IOS uses an improper mechanism for enabling Group Domain of Interpretation (GDOI) traffic flow, which allows remote attackers to bypass the encryption policy via certain uses of UDP port 848, aka Bug ID CSCui07698.

The weakness was presented 07/18/2013 with Cisco as CSCui07698 as confirmed advisory (Website). It is possible to read the advisory at tools.cisco.com. This vulnerability is known as CVE-2013-3436 since 05/06/2013. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 12/26/2024). The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 43302 (Cisco IOS GET VPN Encryption Policy Bypass Vulnerability).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at SecurityFocus (BID 61362†), OSVDB (95460†), Secunia (SA54111†) and Vulnerability Center (SBV-40611†). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.5

VulDB Base Score: 6.5
VulDB Temp Score: 6.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/06/2013 🔍
07/18/2013 +73 days 🔍
07/18/2013 +0 days 🔍
07/18/2013 +0 days 🔍
07/19/2013 +1 days 🔍
07/21/2013 +2 days 🔍
07/22/2013 +1 days 🔍
07/22/2013 +0 days 🔍
12/26/2024 +4175 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: CSCui07698
Organization: Cisco
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2013-3436 (🔍)
GCVE (CVE): GCVE-0-2013-3436
GCVE (VulDB): GCVE-100-9583
X-Force: 85868
SecurityFocus: 61362 - Cisco IOS GET VPN Encryption Policy CVE-2013-3436 Security Bypass Vulnerability
Secunia: 54111 - Cisco IOS GET VPN Information Disclosure Weakness, Not Critical
OSVDB: 95460
SecurityTracker: 1028810
Vulnerability Center: 40611 - Cisco IOS Group Encrypted Transport VPN Allows Encryption Policy Bypass via UDP Port 848, Medium

Entryinfo

Created: 07/22/2013 17:55
Updated: 12/26/2024 03:26
Changes: 07/22/2013 17:55 (56), 05/06/2017 19:18 (11), 05/19/2021 02:51 (4), 12/26/2024 03:26 (16)
Complete: 🔍
Committer:
Cache ID: 216:4CB:103

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